229094172 has 72 divisors (see below), whose sum is σ = 618800000. Its totient is φ = 71251488.

The previous prime is 229094161. The next prime is 229094179. The reversal of 229094172 is 271490922.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229094179) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43329 + ... + 48327.

Almost surely, 2^229094172 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229094172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309400000).

229094172 is an abundant number, since it is smaller than the sum of its proper divisors (389705828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

229094172 is a wasteful number, since it uses less digits than its factorization.

229094172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5095 (or 5090 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 229094172 is about 15135.8571610596. The cubic root of 229094172 is about 611.8871700237.

The spelling of 229094172 in words is "two hundred twenty-nine million, ninety-four thousand, one hundred seventy-two".